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TISPL758LF3D

更新时间： 2024-11-05 22:42:15
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INTEGRATED SYMMETRICAL AND ASYMMETRICAL BIDIRECTIONAL OVERVOLTAGE PROTECTORS FOR LUCENT TECHNOLOGIES L7581/2/3 LINE CARD ACCESS SWITCHES

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TISPL758LF3D 技术参数

生命周期：Transferred包装说明：,
Reach Compliance Code：unknown风险等级：5.76
Is Samacsys：N认证状态：Not Qualified
触发设备类型：SILICON SURGE PROTECTORBase Number Matches：1

TISPL758LF3D 数据手册

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TISPL758LF3D  
INTEGRATED SYMMETRICAL AND ASYMMETRICAL BIDIRECTIONAL OVERVOLTAGE  
PROTECTORS FOR LUCENT TECHNOLOGIES L7581/2/3 LINE CARD ACCESS SWITCHES  
Copyright © 1998, Power Innovations Limited, UK  
JANUARY 1998 - REVISED OCTOBER 1998  
OVERVOLTAGE PROTECTION FOR LUCENT TECHNOLOGIES LCAS  
●
Symmetrical and Asymmetrical  
Characteristics for Optimum Protection of  
Lucent L7581/2/3 LCAS  
D PACKAGE  
(TOP VIEW)  
1
2
3
4
8
7
6
5
G
G
G
G
T
NC  
NC  
R
TERMINAL  
PAIR  
VDRM  
V
V(BO)  
V
T-G (SYMMETRICAL)  
R-G (ASYMMETRICAL)  
±105  
±130  
MDXXAE  
+105, -180  
+130, -220  
CUSTOMISED VERSIONS AVAILABLE  
NC - No internal connection  
●
Rated for International Surge Wave Shapes  
device symbol  
ITSP  
WAVE SHAPE  
STANDARD  
A
175  
120  
60  
T
R
2/10 µs  
8/20 µs  
GR-1089-CORE  
ANSI C62.41  
FCC Part 68  
10/160 µs  
10/700 µs  
10/560 µs  
10/1000 µs  
ITU-T K20/21  
FCC Part 68  
50  
45  
GR-1089-CORE  
35  
SD3XAA  
●
Ion-Implanted Breakdown Region  
Precise And Stable Voltage  
Low Voltage Overshoot Under Surge  
G
Terminals T, R and G correspond to the  
alternative line designators of A, B and C  
●
●
Planar Passivated Junctions  
Low Off-State Current < ±10 µA  
condition is low level power cross when the  
LCAS switches are closed. Under this condition,  
the TISPL758LF3D limits the voltage and  
corresponding LCAS dissipation until the LCAS  
thermal trip operates and opens the switches.  
Small Outline Surface Mount Package  
- Available Ordering Options  
CARRIER  
Tube  
ORDER #  
TISPL758LF3D  
TISPL758LF3DR  
Under open-circuit ringing conditions, the line  
ring (R) conductor will have high peak voltages.  
For battery backed ringing, the ring conductor  
will have a larger peak negative voltage than  
positive i.e. the peak voltages are asymmetric.  
An overvoltage protector with a similar voltage  
asymmetry will give the most effective protection.  
On a connected line, the tip (T) conductor will  
have much smaller voltage levels than the open-  
circuit ring conductor values. Here a symmetrical  
voltage protector gives adequate protection.  
Taped and reeled  
description  
The TISPL758LF3 is an integrated combination  
of symmetrical bidirectional overvoltage  
a
protector and an asymmetrical bidirectional  
overvoltage protector. It is designed to limit the  
peak voltages on the line terminals of the Lucent  
Technologies L7581/2/3 LCAS (Line Card  
Access Switches). An LCAS may also be  
referred to as a Solid State Relay, SSR, i.e. a  
replacement of the conventional electro-  
mechanical relay.  
Overvoltages are normally caused by a.c. power  
system or lightning flash disturbances which are  
induced or conducted on to the telephone line.  
These overvoltages are initially clipped by  
protector breakdown clamping until the voltage  
rises to the breakover level, which causes the  
The TISPL758LF3D voltages are chosen to give  
adequate LCAS protection for all switch  
conditions. The most potentially stressful  
Support from the Microelectronics Group of Lucent Technologies Inc. is gratefully acknowledged in the definition of  
the TISPL758LF3D voltage levels and for performing TISPL758LF3D evaluations.  
P R O D U C T  
I N F O R M A T I O N  
Information is current as of publication date. Products conform to specifications in accordance  
with the terms of Power Innovations standard warranty. Production processing does not  
necessarily include testing of all parameters.  
1
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